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7301
Citizen scientists reliably count endangered Galápagos marine iguanas from drone images
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7302
Preparation of GRCop-42 Cu Alloy by Laser-Directed Energy Deposition: Role of Laser Power on Densification, Microstructure, and Mechanical Properties
Published 2025-06-01“…The alloy exhibited optimal microstructure and properties at a laser power of 2000 W, with a room temperature tensile strength of 319 ± 6.5 MPa and an elongation of 25.42 ± 1.9%. …”
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7303
Developing operational risk-level assessment for selecting auditable units: Factor analysis and analytic hierarchy process approach
Published 2025-05-01“…Compared with the previous method, this new method shows a narrower but more optimal risk-level range, a slightly higher average operational risk level, and fewer cases of underestimation or overestimation. …”
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7304
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7305
Exploring Kernel Machines and Support Vector Machines: Principles, Techniques, and Future Directions
Published 2024-12-01“…Based on statistical learning theory and the maximum margin principle, SVM attempts to determine an optimal hyperplane by addressing a quadratic programming (QP) problem. …”
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7306
Estimation of plant leaf water content based on spectroscopy
Published 2025-06-01“…The accuracy and number of wavelengths used in each model were systematically evaluated. The optimal model was used to predict the water content of each pixel in the hyperspectral images, achieving visualization of leaf water distribution. …”
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7307
Hollow Fiber–Supported ZIF-8@GO Reinforced Sol–Gel for Preconcentration of Paraquat Before Determination by UV-Vis Spectrophotometry
Published 2025-01-01“…Key microextraction parameters, such as the donor phase pH and volume, stirring rate, extraction time, and desorption conditions (solvent type and volume), were systematically studied and optimized. Under optimal conditions, the method demonstrated linearity within the range of 0.5–2000 μg L−1, with a correlation coefficient of 0.999. …”
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7308
Study on the Utilization and Impact of Financial Derivatives in Chinese Listed Companies
Published 2025-01-01“…The findings of this study provide a reference for firms to formulate more effective risk management strategies and empirical support for policy makers to optimize the regulatory system and market structure.…”
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7309
Reflux Dissolution of Thorium Dioxide in Nitric Acid
Published 2025-06-01“…This study aims to investigate the reflux dissolution process of thorium dioxide in nitric acid, seeking an alternative to the current fluoride ion-dependent dissolution methods to prevent corrosion of stainless steel dissolvers and subsequent processing issues. By employing a reflux dissolution apparatus and utilizing nitric acid as the solvent, the effects of initial nitric acid concentration, temperature, and initial thorium ion concentration on the dissolution efficiency of thorium dioxide were systematically studied. …”
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7310
Effect of Blade Profile on Flow Characteristics and Efficiency of Cross-Flow Turbines
Published 2025-06-01“…Sharp blades also demonstrated competitive efficiency within a narrower optimal speed range. In contrast, the flat and round blades exhibited higher turbulence and recirculation, particularly at off-optimal speeds. …”
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7311
Effect of longitudinal and cross feed on flatness and surface roughness in flat grinding
Published 2025-03-01“…A full-factorial experimental design is implemented to systematically analyze the interaction between these factors. …”
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7312
Comparing Large Language Models and Human Programmers for Generating Programming Code
Published 2025-02-01“…A programming assistant is designed based on an optimal prompt strategy to facilitate the practical use of LLMs for programming.…”
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7313
COmmunity and Single Microbe Optimisation System (COSMOS)
Published 2025-05-01“…While monocultures offer simplicity, communities provide metabolic diversity and cooperative biosynthesis. To systematically evaluate these systems, we developed COmmunity and Single Microbe Optimisation System (COSMOS), a dynamic computational framework that simulates and compares monocultures and co-cultures to determine optimal microbial systems tailored to a specific environment. …”
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7314
Buccal Absorption of Biopharmaceutics Classification System III Drugs: Formulation Approaches and Mechanistic Insights
Published 2024-12-01“…Furthermore, the review advocates for integrating conventional buccal dosage forms with these formulation approaches as a potential strategy to enhance absorption. By emphasizing bioavailability enhancement, this review contributes to a holistic understanding of optimizing buccal absorption for BCS Class III drugs, presenting a unified approach to overcome inherent limitations in their delivery.…”
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7315
Experimental study on laser cutting process of simulated fast Reactor fuel rods
Published 2024-11-01“…The results show that optimal cutting is achieved with a cutting speed of 1 m/min, a focal position between − 20 and − 25 mm, a laser power between 7200 and 9600 W, and a gas pressure of 10 MPa. …”
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7316
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7317
Numerical study on the surface evolution and flow dynamics in laser polishing of 100Cr6 steel based on the coupled capillary and thermocapillary flow
Published 2025-01-01“…Additionally, the molten pool can form within a suitable temperature and time range for LP using these optimized parameters. …”
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7318
Constitutive Model and Hot Processing Map of Ni-Cr-Fe Heat-resistant Alloy for Advanced Ultra-Supercritical Boilers
Published 2025-08-01“…Based on the Arrhenius hyperbolic sine model, strain factor is innovatively introduced to construct an improved constitutive model suitable for heat-resistant alloys, and two indexes, correlation coefficient R and absolute error δ, are used to evaluate the accuracy of the model's prediction of rheological stress; At the same time, by constructing the hot processing map of the heat-resistant alloy and the microstructure analysis, the optimal range of hot working process parameters of the alloy is systematically evaluated and determined. …”
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7319
Tailoring mechanical properties of alkali activated slag-electric furnace nickel slag composite system through Ca/Si and Si/Al ratios
Published 2025-07-01“…The Ca/Si and Si/Al ratios of the precursor materials were adjusted by controlling the GBFS dosage, and their effects on the compressive strength, flexural strength, and microstructure of AAS-ENS composites were systematically investigated. The results indicate that compressive strength exhibits a quadratic relationship with the Ca/Si ratio, with an optimal range of 0.35–0.45. …”
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7320
Multilevel selection favors fragmentation modes that maintain cooperative interactions in multispecies communities.
Published 2021-09-01“…We find that for groups consisting of a single species, the optimal fragmentation mode consists of releasing single-cell propagules. …”
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